On Thu, 2015-11-05 at 16:00 +0100, Jason A. Donenfeld wrote: > Right -- I saw the expansion in the header file -- it gets the various > TSOs plus UFO. So what this means is that the packet hasn't yet been > split up? So were I to add this option, then my driver would have to > be responsible for splitting up the super-packets manually? In which > case, there would be no performance benefit in using it, since GSO > already does this just prior to ndo_start_xmit? Or would there be a > performance benefit in receiving the super-packets and splitting them > myself?
It is a performance benefit only if you use the helpers from net/core/tso.c as some drivers already do. Otherwise, calling the skb_gso_segment() from your driver has no gain compared to the one done from core networking stack. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html